2245139999 has 4 divisors (see below), whose sum is σ = 2245254336. Its totient is φ = 2245025664.

The previous prime is 2245139989. The next prime is 2245140013. The reversal of 2245139999 is 9999315422.

It is a happy number.

2245139999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2245139999 - 2²⁴ = 2228362783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2245139999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245139929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19394 + ... + 69759.

It is an arithmetic number, because the mean of its divisors is an integer number (561313584).

Almost surely, 2^2245139999 is an apocalyptic number.

2245139999 is a deficient number, since it is larger than the sum of its proper divisors (114337).

2245139999 is an equidigital number, since it uses as much as digits as its factorization.

2245139999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114336.

The product of its digits is 1574640, while the sum is 53.

The square root of 2245139999 is about 47382.9083003566. The cubic root of 2245139999 is about 1309.4265498956.

The spelling of 2245139999 in words is "two billion, two hundred forty-five million, one hundred thirty-nine thousand, nine hundred ninety-nine".